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ABBOfficial Distributor

By ABB

SKU
MPN
2CDS273337R0044
Weight
0.375 kg
SU203M-C4 Miniature Circuit Breaker C-Char., 10kA, 4A, 3P UL489
Technical Specifications

Technical

StandardsCSA 22.2 No. 5
StandardsIEC/EN 60947-2
StandardsUL 489
Tripping characteristicC
Rated Operational Voltageacc. to IEC 60898-1 400 V AC
Rated Operational Voltageacc. to IEC 60898-1 400 V
Rated Operational Voltageacc. to IEC 60947-2 400 V AC
Rated Insulation Voltage (Ui)acc. to IEC/EN 60664-1 440 V
Rated Impulse Withstand Voltage (Uimp)4 kV
Rated Impulse Withstand Voltage (Uimp)at 2000 m 5 kV
Rated Impulse Withstand Voltage (Uimp)at Sea Level 6.2 kV
Input Voltage TypeAC/DC
Rated Current (In)4 A
Rated Short-Circuit Capacity(400 V AC) 11.2 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)(400 V AC) 15 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)(400 V) 15 kA
Rated Conditional Short-Circuit Current (Inc)(400 V) 15 kA
Rated Service Short-Circuit Breaking Capacity (Ics)(400 V AC) 11.2 kA
Rated Frequency (f)50 / 60 Hz
Rated Frequency (f)DC
Power Loss5.4 W
Power Lossat Rated Operating Conditions per Pole 1.8 W
Power supply connectionArbitrary
Contact Position IndicationRed ON / Green OFF
Energy Limiting Class3
Mechanical Endurance20000 cycle
Number of Protected Poles3
Number of Poles3
Overvoltage categoryIII
Tightening torque2.8 N·m
Screw Terminal TypeFailsafe Bi-directional Cylinder-lift Terminal
Actuator MarkingI / O
Actuator MaterialInsulation Group II, Black, Sealable
Housing MaterialInsulation Group I, RAL 7035
Mounting on DIN RailTH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715
Mounting on DIN RailTH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715
Mounting Positionany
Recommended Screw DriverPozidriv 2
Accessories AvailableYes
Connecting CapacityBusbar 10 / 10 mm²
Connecting CapacityFlexible with Ferrule 0.75 ... 25 mm²
Connecting CapacityFlexible 0.75 ... 25 mm²
Connecting CapacityFlexible 0.75 ... 25 mm²
Connecting CapacityRigid 0.75 ... 35 mm²
Connecting CapacityStranded 0.75 ... 35 mm²
Installation Sizeacc. to DIN 43880 3
Terminal TypeDouble Clamp

Technical UL/CSA

Maximum Operating Voltage UL/CSA480Y / 277 V AC
Interrupting Rating acc. to UL489(240 V AC) 10 kA
Interrupting Rating acc. to UL489(480Y / 277 V AC) 10 kA
Connecting Capacity UL/CSABusbar 18-8 AWG
Connecting Capacity UL/CSAConductor 18-4 AWG

Dimensions

Width in Number of Modular Spacings3
Product Net Width52.5 mm
Product Net Height111 mm
Product Net Depth / Length69 mm
Product Net Weight0.375 kg
Pole Net Weight0.125 kg
Built-In Depth (t2)69 mm

Installation

Instructions and Manuals2CDC002177D0202

Why Proax for ABB SU203M-C4?

Proax is an authorized distributor of ABB SU203M-C4 and one of ABB's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.

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Additional Information

Alternate NamesSU203MC4
Pack Size1
Recommended

Available for order

ABB Availability